He is a light pink pig baby with dark pink lips and slightly darker pink cheeks. He wears a yellow outfit.
- Alexander is one of the only characters that cannot wear shoes.
- In an episode, Baby Alexander's crying voice is a higher pitched one from Richard Rabbit's.
- Both he and Chloe wear yellow. This also makes them the only sibling pair to wear the same color.
- His favorite quote was "puddles".
- His first word was “puddles”.